SN4 ""

No	Pattern	Freq
1	had [adv] not	273
2	have still not	227
3	has [adv] not	169
4	have better not	136
5	have [adv] not	126
6	'd [adv] not	120
7	have certainly not	59
8	've [adv] not	29
9	have probably not	29
10	have simply not	25
11	have just not	21
12	have obviously not	21
13	have apparently not	18
14	have clearly not	17
15	have also not	15
16	have either not	11
17	have often not	10
18	have therefore not	9
19	have never not	8
20	have perhaps not	8
21	have evidently not	8
22	have deliberately not	8
23	have hitherto not	7
24	have surely not	7
25	have best not	5
26	have generally not	5
27	's [adv] not	5
28	have definitely not	5